package thread;
 class  Counter {
     public int count;
      synchronized public void  increase(){
         count++;
     }
     public void increase2() {
          synchronized (this) {
              count++;
          }
     }
 }
public class Demo14 {
    public static void main(String[] args) throws InterruptedException {
        Counter counter = new Counter();
        Thread t1 = new Thread(() ->{
            for (int i = 0;i < 50000;i++) {
                counter.increase();
            }
        });
        Thread t2 = new Thread(() ->{
            for (int i = 0;i < 50000;i++) {
                counter.increase();
            }
        });
        t1.start();t2.start();
        t1.join();t2.join();
        System.out.println(counter.count);
    }
}
